Clean Water Act discharge permit · NPDES WI0020885

GRANTON WASTEWATER TREATMENT FACILITY, Granton, WI: NPDES WI0020885 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
5Pollutants under a numeric limit
1Pollutants with an effluent exceedance

GRANTON WASTEWATER TREATMENT FACILITY, held by Village of Granton, holds NPDES permit WI0020885, which discharges to O Neill Cr S Br. EPA’s file records it issued September 18, 2012 and expiring September 30, 2017. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	GRANTON WASTEWATER TREATMENT FACILITY
Permittee as filed	Village of Granton
NPDES ID	WI0020885
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	September 18, 2012
Expiration date	September 30, 2017
Address	Granton, WI 54436
Receiving water	O NEILL CR S BR
Receiving water impaired	303(D) Listed
Subwatershed	South Branch of O'Neill Creek (HUC 070400070901)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

8Pollutants on file
5Under a numeric limit
7With a violation of any kind
1With an effluent exceedance

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Nitrogen, ammonia total [as N]	0	114	3	May 31, 2022	226% over the limit
BOD, 5-day, 20 deg. C	2	127	0
pH	0	72	0
Solids, total suspended	2	68	0
Flow, in conduit or thru treatment plant	2	44	0
Phosphorus, total [as P]	1	44	0
Coliform, fecal general	0	19	0
Temperature, water deg. fahrenheit	1	0	0

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES WI0020885.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

Watch this permit

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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID WI0020885 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

This public-records page covers Clean Water Act discharge permit NPDES WI0020885 for the Granton Wastewater Treatment Facility in Granton, WI, held by the Village of Granton and discharging to O NEILL CR S BR within the South Branch of O'Neill Creek watershed (HUC 070400070901). The permit is listed as administratively continued, with 5 as its discharger class, 1 pollutant under a numeric limit, and 1 pollutant with an effluent exceedance.